12278465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 15597120

約数和(自身を除く): 3318655

約数列:

[1, 5, 19, 95, 307, 421, 1535, 2105, 5833, 7999, 29165, 39995, 129247, 646235, 2455693, 12278465]

約数ペア:

[(1, 12278465), (5, 2455693), (19, 646235), (95, 129247), (307, 39995), (421, 29165), (1535, 7999), (2105, 5833)]